How to replace the rear door lock actuator on 2005 Buick Century?

The first step to replace a rear Door Lock Actuator is to take out the rear Door Lock itself. Screws which fasten the rear Door Lock Actuator need removing before you detach the unit from the rear Door Lock. When replacing the new rear Door Lock Actuator you should position it onto the rear Door Lock while following the provided fastener notice to receive proper guidance. Complete the task by mounting the actuator using screws secured at 2 nm torque while reinstalling the rear Door Lock.

OEM 2005 Buick Century Door Lock Actuator

Power Door Lock Actuator

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6 Door Lock Actuators found

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2005 Buick Century Door Jamb Switch
Part Number: 25664288
$66.92 MSRP: $128.76
You Save: $61.84 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator Kit, Door Lock; Trunk Lock Actuator Motor; Door Lock Actuator; Lock Actuator; Electric and Vacuum Door Locks; End Gate Electrical Actuator Kit.
- Position: Rear
- Replaces: 16627973, 25664020, 16632015, 16636561, 22144363, 3635350
- Item Weight: 0.70 Pounds
- Item Dimensions: 6.1 x 4.3 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25664288
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
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2005 Buick Century Door Jamb Switch
Part Number: 25664287
$78.38 MSRP: $127.89
You Save: $49.51 (39%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator Kit, Door Lock; Door Lock Actuator; Lock Actuator; Actuator; Actuator Kit, Door Electric And Vacuum Locks; Actuator Kit, Door And End Gate Electrical
- Position: Rear
- Replaces: 16636560, 16627972, 22144360, 16624970, 22144362, 3635351, 16632014, 25664019
- Item Weight: 0.70 Pounds
- Item Dimensions: 6.1 x 4.1 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25664287
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
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2005 Buick Century Lock, Rear Passenger Side
Part Number: 16636578
$91.52 MSRP: $132.09
You Save: $40.57 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Latch Sub Assembly-Rear Door Service None; Door Lock Actuator Motor; Door Latch Assembly; Trunk Latch; Door Lock; Latch; Latch, Rear Compartment Lid Or Tail Gate Latch; Latch, Rear Side Door
- Position: Rear Passenger Side
- Replaces: 16629716
- Item Weight: 1.10 Pounds
- Item Dimensions: 6.2 x 3.2 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16636578
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
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2005 Buick Century Lock Actuator
Part Number: 16640852
$71.70 MSRP: $112.20
You Save: $40.50 (37%)
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Product Specifications
- Other Name: Actuator; Door Lock Actuator; Lock Solenoid; Actuator, Rear Compartment Lid Release Or Ajar
- Replaces: 16632227
- Item Weight: 0.70 Pounds
- Item Dimensions: 8.1 x 3.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16640852
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
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2005 Buick Century Lock, Rear
Part Number: 10445387
$298.95 MSRP: $408.48
You Save: $109.53 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Latch, Rear Compartment Lid Or Tail Gate Latch; Trunk Latch; Door Lock; Latch; Latch, Rear Compartment Lid Release Or Ajar
- Position: Rear
- Item Weight: 1.30 Pounds
- Item Dimensions: 10.4 x 6.3 x 2.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10445387
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
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2005 Buick Century Lock, Rear Driver Side
Part Number: 16636579
Product Specifications
- Other Name: Latch Sub Assembly-Rear Door Service None; Door Lock Actuator Motor; Door Latch Assembly; Trunk Latch; Door Lock; Latch; Latch, Rear Compartment Lid Or Tail Gate Latch; Latch, Rear Side Door
- Position: Rear Driver Side
- Replaces: 16629717
- Item Weight: 1.60 Pounds
- Item Dimensions: 8.1 x 4.8 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16636579
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS

2005 Buick Century Door Lock Actuator

With a comprehensive array of OEM 2005 Buick Century Door Lock Actuator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2005 Buick Century Door Lock Actuator are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2005 Buick Century Parts Questions & Experts Answers

Q: How to replace the rear door lock actuator on 2005 Buick Century?
A: The first step to replace a rear Door Lock Actuator is to take out the rear Door Lock itself. Screws which fasten the rear Door Lock Actuator need removing before you detach the unit from the rear Door Lock. When replacing the new rear Door Lock Actuator you should position it onto the rear Door Lock while following the provided fastener notice to receive proper guidance. Complete the task by mounting the actuator using screws secured at 2 nm torque while reinstalling the rear Door Lock.